A man who is living in a polis not doing well, how can he be happy? There's just no way.

一个生活在城邦里的人没有做好本分,他怎么会幸福,这是不可能的事情

耶鲁公开课 - 古希腊历史简介课程节选

people just can't be happy if they are living a life that is contrary to the type of person they are.

如果人们的生活与他们真实的自我背道而驰，那么他们是不会开心的。

喜欢的书 - SpeakingMax英语口语达人

Now if you can just persuade the English and Portsmouth soccer players of this lesson, I'd be very happy.

现在如果你能让英格兰或者朴茨茅斯球员,学会这个规律的话,我会非常高兴的

耶鲁公开课 - 博弈论课程节选

If you can't come by at that hour, you can send me email and I will be happy to meet with you.

如果你们不能在那个时间来的话，你们可以给我发邮件,和你们会见我很开心。

麻省理工公开课 - 固态化学导论课程节选

Another thing is that we can say to ourselves, "May I be happy. May I be peaceful."

还有，可以对自己说，愿我快乐，愿我平和“

普林斯顿公开课 - 人性课程节选

As long as everyone has the basic needs and they're--we can all be happy.

只要每个人的基本需求得以满足,我们都可以过得很好。

耶鲁公开课 - 金融市场课程节选